I want to insert into table checkbox value at a time just single checkbox is check

below is my html

Title : </td>
<td class="auto-style3">
    <asp:CheckBox ID="chkmr" runat="server" />Mr.
    <asp:CheckBox ID="chkmiss" runat="server" />Miss.
    <asp:CheckBox ID="chkmrs" runat="server" />Mrs.
    <asp:CheckBox ID="chkbo" runat="server" />B/O
</td>

i have to insert Mr. , Miss, Mrs. and B/O value into database if checked is mark